On 2015-05-01 09:49:50 -0700, Peter Geoghegan wrote:
> On Fri, May 1, 2015 at 9:37 AM, Andres Freund <andres@anarazel.de> wrote:
> > * Abbreviated key support for Datum sorts
> > Unfortunately the discussion about potential performance regression
> > has been largely sidestepped by bickering over minutiae.
> > => ?
>
> There really is no discussion about performance regressions, because
> there doesn't have to be. It's a straightfroward case of making what
> already works for the heap tuple and B-Tree tuple sort cases work for
> the Datum case. The costs and the benefits are the same.
>
> It was marked "ready for committer" some time ago.
Why is
http://www.postgresql.org/message-id/54E79F9C.4090208@2ndquadrant.com
not worth a discussion? I don't see your response in
http://www.postgresql.org/message-id/CAM3SWZTY9fmrn9q8uMsqn9bnedtjk68FKitoMhHSXY2kOyv9xA@mail.gmail.com
really debating why it's definitely worth the cost. I'm not saying it's
*not* worth it, just that it has to be considered.
Greetings,
Andres Freund